from dataclasses import dataclass
from enum import StrEnum, auto

FIXED_VACATION_DAYS_PAYOUT = 5


class Role(StrEnum):
    PRESIDENT = auto()
    VICEPRESIDENT = auto()
    MANAGER = auto()
    LEAD = auto()
    ENGINEER = auto()
    INTERN = auto()


@dataclass
class Employee:
    name: str
    role: Role
    vacation_days: int = 25

    def payout_holiday(self) -> None:
        if self.vacation_days < FIXED_VACATION_DAYS_PAYOUT:
            raise ValueError(
                f"You don't have enough holidays left over for a payout.\
                    Remaining holidays: {self.vacation_days}."
            )
        self.vacation_days -= FIXED_VACATION_DAYS_PAYOUT
        print(f"Paying out a holiday. Holidays left: {self.vacation_days}")

    def take_holiday(self, nr_days: int = 1) -> None:
        if self.vacation_days < nr_days:
            raise ValueError("You don't have any holidays left. Now back to work, you!")
        self.vacation_days -= nr_days
        print("Have fun on your holiday. Don't forget to check your emails!")


def main() -> None:
    employee = Employee(name="John Doe", role=Role.ENGINEER)
    employee.payout_holiday()


if __name__ == "__main__":
    main()
